{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950258,-0.311463,0.000000,0.000000,0.173888,-0.530522,0.829644,0.000000,-0.257861,0.786720,0.560874,0.000000,-1646406.766904,5023098.942979,3557130.488251,1],    "boundingVolume": {    "region": [1.887479,0.595383,1.887579,0.595499,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1454999.b3dm"}}}